package top.zhongyy.config;

import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler;
import lombok.extern.slf4j.Slf4j;
import org.apache.ibatis.reflection.MetaObject;
import org.springframework.stereotype.Component;

import java.util.Date;

/**
 * @Created by IntelliJ IDEA.
 * @Desc mysql自动填充
 * @Author: Andy
 * @Date: 2021/3/8
 */
@Slf4j
@Component // 把处理器加到IOC容器中
public class MyMetaObjectHandler implements MetaObjectHandler {
    
    // 插入时的填充策略
    @Override
    public void insertFill(MetaObject metaObject) {
        log.info("Start insert fill.... ");
        this.setFieldValByName("createTime", new Date(), metaObject);
        this.setFieldValByName("updateTime", new Date(), metaObject);
    }
    
    // 更新时的填充策略
    @Override
    public void updateFill(MetaObject metaObject) {
        log.info("Start update fill.... ");
        this.setFieldValByName("updateTime", new Date(), metaObject);
    }
}

